Ribbon cassette for automatic printers



FIG. 1 is a top plan view of a ribbon cassette for automatic printers,showing my new design;

FIG. 2 is a perspective top view of the same;

FIG. 3 is a perspective bottom view of the same; and

FIG. 4 is a front elevational view of the same.

The ornamental design for a ribbon cassette for automatic printers, asshown.